1 Intensive Care Unit Department, Faculty of Medicine of the Université Libre de Bruxelles, Brugmann University Hospital, Brussels, Belgium.
2 Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium; Senior Lecturer, School of Nursing and Midwifery, Anglia Ruskin University, Cambridge, UK.
3 Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium. Electronic address: stijn.blot@UGent.be.